          [0 -90] all-colls
 
          ;; antimerdian
-         [180 0] [east-hemi-poly1 combined]
+         [180 0] [east-hemi-poly1 east-hemi-poly2 combined]
          [-180 0] [west-hemi-poly1 west-hemi-poly2 west-hemi-poly3 combined]
 
          ;; prime meridian

         [0 -10] all-colls

         ;; middle of east hemisphere
         [90 45] [east-hemi-poly1 combined]

         ;; middle of west hemisphere
         [-90 45] [west-hemi-poly1 west-hemi-poly2 west-hemi-poly3 combined])))

        east-hemi-poly1 (make-coll :geodetic "east-hemi-poly1"
                                   (polygon 0.0001 -89.9999, 180 -89.9999, 180 89.9999,
                                            0.0001 89.9999, 0.0001 -89.9999))
        east-hemi-poly2 (make-coll :geodetic "east-hemi-poly2"
                                   (polygon 0.0001,-89.9999, 180.0,-89.9999, 180.0,-45.0, 180.0,0.0,
                                            180.0,45.0, 180.0,89.9999, 0.0001,89.9999, 0.0001,-89.9999))
        ;; Combines west-hemi-poly3 and east-hemi-poly1
        combined (make-coll :geodetic "combined"
                            (polygon -179.9999 75, -179.9 75, -179.9 0, -179.9999 0,
